Youzan Coder

Dec 10, 2018 · Backend Development

How Youzan Scaled Order Export to Millions with ES, HBase, and Config‑Driven Design

This article examines the challenges of Youzan's order export system, describes the migration from PHP‑based scripts to an Elasticsearch and HBase stack, and details the step‑by‑step configuration‑driven refactor—including enum field definitions, Groovy scripts, strategy patterns, plugin architecture, and quality‑assurance practices—that enabled million‑order exports with high performance and stability.